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                    实验简介
            
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        <li class="header">零：前置准备</li>
        
        
    
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                    配环境、跑测试
            
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                    环境配置
            
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                    运行测试样例
            
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                    RISC-V 的工具链使用
            
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        <li class="header">第一个编译器</li>
        
        
    
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                    step1：仅一个 return 的 main 函数
            
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                    从零开始的 lexer、parser 以及汇编生成
            
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                    词法语法分析工具
            
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                    使用中间码
            
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                    其他
            
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                    ANTLR 使用
            
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                    Visitor 模式
            
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                    IR 简明介绍
            
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                    规范
            
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        <li class="header">常量表达式</li>
        
        
    
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                    step2：一元操作
            
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                    任务概述
            
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                    实验指导
            
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                    规范
            
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                    step3：加减乘除模
            
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        <li class="chapter " data-level="4.2.1" data-path="../lab3/intro.html">
            
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                    任务概述
            
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        <li class="chapter " data-level="4.2.2" data-path="../lab3/guide.html">
            
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                    实验指导
            
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        <li class="chapter " data-level="4.2.3" data-path="../lab3/spec.html">
            
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                    规范
            
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                    step4：比较和逻辑表达式
            
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        <li class="chapter " data-level="4.3.1" data-path="../lab4/intro.html">
            
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                    任务概述
            
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        <li class="chapter " data-level="4.3.2" data-path="../lab4/guide.html">
            
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                    实验指导
            
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        <li class="chapter " data-level="4.3.3" data-path="../lab4/spec.html">
            
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                    规范
            
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        <li class="header">变量和语句</li>
        
        
    
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                <span>
            
                    
                    step5：局部变量和赋值
            
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        <li class="chapter " data-level="5.1.1" data-path="../lab5/intro.html">
            
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                    任务概述
            
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        <li class="chapter " data-level="5.1.2" data-path="../lab5/guide.html">
            
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                    实验指导
            
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                    其他
            
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                    栈帧
            
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                    规范
            
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                    step6：if 语句和条件表达式
            
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        <li class="chapter " data-level="5.2.1" data-path="../lab6/part0-intro.md">
            
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                    摘要
            
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        <li class="chapter " data-level="5.2.2" data-path="../lab6/part1-parse.md">
            
                <span>
            
                    
                    词法语法分析
            
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        <li class="chapter " data-level="5.2.3" data-path="../lab6/part1-1-task.md">
            
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                    任务
            
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        <li class="chapter " data-level="5.2.4" data-path="../lab6/part4-codegen.md">
            
                <span>
            
                    
                    代码生成
            
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        <li class="chapter " data-level="5.2.5" data-path="../lab6/part4-1-task.md">
            
                <span>
            
                    
                    任务
            
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        <li class="chapter " data-level="5.2.6" data-path="../lab6/summary.md">
            
                <span>
            
                    
                    小结
            
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        <li class="chapter " data-level="5.2.7" data-path="../lab6/spec.html">
            
                <a href="../lab6/spec.html">
            
                    
                    规范
            
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            </ul>
            
        </li>
    

    
        
        <li class="header">块语句和作用域和更多语句</li>
        
        
    
        <li class="chapter " data-level="6.1" >
            
                <span>
            
                    
                    step7：块语句
            
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        <li class="chapter " data-level="6.1.1" data-path="part0-intro.html">
            
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                    摘要
            
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        <li class="chapter " data-level="6.1.2" data-path="part1-parse.html">
            
                <a href="part1-parse.html">
            
                    
                    词法语法分析
            
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        </li>
    
        <li class="chapter " data-level="6.1.3" data-path="part1-1-task.html">
            
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                    任务
            
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        <li class="chapter active" data-level="6.1.4" data-path="part4-codegen.html">
            
                <a href="part4-codegen.html">
            
                    
                    代码生成
            
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        <li class="chapter " data-level="6.1.5" data-path="part4-1-task.html">
            
                <a href="part4-1-task.html">
            
                    
                    任务
            
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        <li class="chapter " data-level="6.1.6" data-path="summary.html">
            
                <a href="summary.html">
            
                    
                    小结
            
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        <li class="chapter " data-level="6.1.7" data-path="spec.html">
            
                <a href="spec.html">
            
                    
                    规范
            
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        </li>
    
        <li class="chapter " data-level="6.2" >
            
                <span>
            
                    
                    step8：循环语句
            
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        <li class="chapter " data-level="6.2.1" data-path="../lab8/part0-intro.html">
            
                <a href="../lab8/part0-intro.html">
            
                    
                    摘要
            
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        <li class="chapter " data-level="6.2.2" data-path="../lab8/part1-parse.html">
            
                <a href="../lab8/part1-parse.html">
            
                    
                    词法语法分析
            
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        <li class="chapter " data-level="6.2.3" data-path="../lab8/part1-1-task.html">
            
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                    任务
            
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        <li class="chapter " data-level="6.2.4" data-path="../lab8/part4-codegen.html">
            
                <a href="../lab8/part4-codegen.html">
            
                    
                    代码生成
            
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        <li class="chapter " data-level="6.2.5" data-path="../lab8/part4-1-task.html">
            
                <a href="../lab8/part4-1-task.html">
            
                    
                    任务
            
                </a>
            

            
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        <li class="chapter " data-level="6.2.6" data-path="../lab8/summary.html">
            
                <a href="../lab8/summary.html">
            
                    
                    小结
            
                </a>
            

            
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        <li class="chapter " data-level="6.2.7" data-path="../lab8/spec.html">
            
                <a href="../lab8/spec.html">
            
                    
                    规范
            
                </a>
            

            
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            </ul>
            
        </li>
    

    
        
        <li class="header">函数和全局变量</li>
        
        
    
        <li class="chapter " data-level="7.1" >
            
                <span>
            
                    
                    step9：函数
            
                </span>
            

            
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        <li class="chapter " data-level="7.1.1" data-path="../lab9/part0-intro.html">
            
                <a href="../lab9/part0-intro.html">
            
                    
                    摘要
            
                </a>
            

            
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        <li class="chapter " data-level="7.1.2" data-path="../lab9/part1-parser.html">
            
                <a href="../lab9/part1-parser.html">
            
                    
                    词法语法分析
            
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        <li class="chapter " data-level="7.1.3" data-path="../lab9/part1-1-task.html">
            
                <a href="../lab9/part1-1-task.html">
            
                    
                    任务
            
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        <li class="chapter " data-level="7.1.4" data-path="../lab9/part4-1-cconv.html">
            
                <a href="../lab9/part4-1-cconv.html">
            
                    
                    调用约定
            
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        <li class="chapter " data-level="7.1.5" data-path="../lab9/part4-2-codegen.html">
            
                <a href="../lab9/part4-2-codegen.html">
            
                    
                    代码生成
            
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        <li class="chapter " data-level="7.1.6" data-path="../lab9/part4-3-task.html">
            
                <a href="../lab9/part4-3-task.html">
            
                    
                    任务
            
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        <li class="chapter " data-level="7.1.7" data-path="../lab9/summary.html">
            
                <a href="../lab9/summary.html">
            
                    
                    小结
            
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        <li class="chapter " data-level="7.1.8" data-path="../lab9/spec.html">
            
                <a href="../lab9/spec.html">
            
                    
                    规范
            
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        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="7.2" >
            
                <span>
            
                    
                    step10：全局变量
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="7.2.1" data-path="../lab10/part0-intro.html">
            
                <a href="../lab10/part0-intro.html">
            
                    
                    摘要
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.2" data-path="../lab10/part1-parser.html">
            
                <a href="../lab10/part1-parser.html">
            
                    
                    词法语法分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="7.2.3" data-path="../lab10/part1-1-task.html">
            
                <a href="../lab10/part1-1-task.html">
            
                    
                    任务
            
                </a>
            

            
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        <li class="chapter " data-level="7.2.4" data-path="../lab10/part4-codegen.html">
            
                <a href="../lab10/part4-codegen.html">
            
                    
                    代码生成
            
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        <li class="chapter " data-level="7.2.5" data-path="../lab10/part4-1-task.html">
            
                <a href="../lab10/part4-1-task.html">
            
                    
                    任务
            
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        <li class="chapter " data-level="7.2.6" data-path="../lab10/summary.html">
            
                <a href="../lab10/summary.html">
            
                    
                    小结
            
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        <li class="chapter " data-level="7.2.7" data-path="../lab10/spec.html">
            
                <a href="../lab10/spec.html">
            
                    
                    规范
            
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            </ul>
            
        </li>
    

    
        
        <li class="header">指针和数组</li>
        
        
    
        <li class="chapter " data-level="8.1" >
            
                <span>
            
                    
                    step11：指针
            
                </span>
            

            
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        <li class="chapter " data-level="8.1.1" data-path="../lab11/part0-intro.html">
            
                <a href="../lab11/part0-intro.html">
            
                    
                    摘要
            
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        <li class="chapter " data-level="8.1.2" data-path="../lab11/typeck.html">
            
                <a href="../lab11/typeck.html">
            
                    
                    类型检查
            
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        <li class="chapter " data-level="8.1.3" data-path="../lab11/part4-codegen.html">
            
                <a href="../lab11/part4-codegen.html">
            
                    
                    代码生成
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.4" data-path="../lab11/part4-1-task.html">
            
                <a href="../lab11/part4-1-task.html">
            
                    
                    任务
            
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        </li>
    
        <li class="chapter " data-level="8.1.5" data-path="../lab11/summary.html">
            
                <a href="../lab11/summary.html">
            
                    
                    小结
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="8.1.6" data-path="../lab11/spec.html">
            
                <a href="../lab11/spec.html">
            
                    
                    规范
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="8.2" >
            
                <span>
            
                    
                    step12：数组
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="8.2.1" data-path="../lab12/part0-intro.html">
            
                <a href="../lab12/part0-intro.html">
            
                    
                    摘要
            
                </a>
            

            
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        <li class="chapter " data-level="8.2.2" data-path="../lab12/part4-codegen.html">
            
                <a href="../lab12/part4-codegen.html">
            
                    
                    代码生成
            
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        </li>
    
        <li class="chapter " data-level="8.2.3" data-path="../lab12/part4-1-task.html">
            
                <a href="../lab12/part4-1-task.html">
            
                    
                    任务
            
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        <li class="chapter " data-level="8.2.4" data-path="../lab12/summary.html">
            
                <a href="../lab12/summary.html">
            
                    
                    小结
            
                </a>
            

            
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                                <h2 id="&#x4EE3;&#x7801;&#x751F;&#x6210;">&#x4EE3;&#x7801;&#x751F;&#x6210;</h2>
<p>&#x5757;&#x8BED;&#x53E5;&#x672C;&#x8EAB;&#x7684;&#x6C47;&#x7F16;&#x751F;&#x6210;&#x662F;&#x5F88;&#x7B80;&#x5355;&#x7684;&#xFF0C;&#x53EA;&#x9700;&#x8981;&#x4F9D;&#x6B21;&#x751F;&#x6210;&#x5757;&#x4E2D;&#x7684;&#x8BED;&#x53E5;&#x5373;&#x53EF;&#xFF0C;&#x5757;&#x8BED;&#x53E5;&#x771F;&#x6B63;&#x5F71;&#x54CD;&#x7684;&#x662F;&#x53D8;&#x91CF;&#x3002;</p>
<p>&#x6B63;&#x5982;&#x6D4B;&#x8BD5;&#x4F8B;&#x5B50;&#x4E2D;&#x7684;&#x67D0;&#x4E9B;&#x7A0B;&#x5E8F;&#xFF0C;&#x6709;&#x53EF;&#x80FD;&#x6709;&#x4E24;&#x4E2A;&#x4E0D;&#x540C;&#x7684;&#x53D8;&#x91CF;&#xFF0C;&#x5728;&#x4E24;&#x4E2A;&#x4E0D;&#x540C;&#x7684;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#xFF0C;&#x5B58;&#x50A8;&#x5728;&#x6808;&#x7684;&#x4E24;&#x4E2A;&#x4E0D;&#x540C;&#x7684;&#x4F4D;&#x7F6E;&#xFF0C;&#x4F46;&#x540D;&#x79F0;&#x76F8;&#x540C;&#x3002;&#x4E0B;&#x9762;&#x662F;&#x8FD9;&#x6837;&#x4E00;&#x4E2A;&#x4F8B;&#x5B50;&#xFF1A;</p>
<pre><code>int foo = 3;
{
  int foo = 4;
}
</code></pre><p>&#x56E0;&#x6B64;&#xFF0C;&#x6BCF;&#x5F53;&#x7A0B;&#x5E8F;&#x5F15;&#x7528;&#x53D8;&#x91CF;<code>foo</code>&#x65F6;&#xFF0C;&#x6211;&#x4EEC;&#x751F;&#x6210;&#x7684;&#x4EE3;&#x7801;&#x5C31;&#x9700;&#x8981;&#x5728;&#x6808;&#x4E0A;&#x8BBF;&#x95EE;&#x6B63;&#x786E;&#x7684;<code>foo</code>&#xFF0C;&#x5982;&#x679C;<code>foo</code>&#x5DF2;&#x7ECF;&#x201C;&#x6B7B;&#x4EA1;&#x201D;&#xFF0C;&#x5219;&#x4F1A;&#x5F15;&#x53D1;&#x4E00;&#x4E2A;&#x9519;&#x8BEF;&#x3002;&#x672C;&#x6B21;&#x8BD5;&#x9A8C;&#x7684;&#x4EE3;&#x7801;&#x751F;&#x6210;&#x6B65;&#x9AA4;&#x5C31;&#x662F;&#x7BA1;&#x7406;&#x548C;&#x8BBF;&#x95EE;&#x53D8;&#x91CF;&#x96C6;&#x5408;&#x5BF9;&#x5E94;&#x7684;&#x6570;&#x636E;&#x7ED3;&#x6784;&#xFF0C;&#x4F7F;&#x6211;&#x4EEC;&#x603B;&#x662F;&#x80FD;&#x67E5;&#x627E;&#x5230;&#x6B63;&#x786E;&#x7684;<code>foo</code>&#x3002;&#x4E3A;&#x6B64;&#xFF0C;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x8C03;&#x6574;&#x6211;&#x4EEC;&#x5728;&#x53D8;&#x91CF;&#x5B9A;&#x4E49;&#x3001;&#x8D4B;&#x503C;&#x3001;&#x5F15;&#x7528;&#x65F6;&#x7684;&#x884C;&#x4E3A;&#x3002;</p>
<h3 id="&#x53D8;&#x91CF;&#x504F;&#x79FB;&#x7684;&#x786E;&#x5B9A;">&#x53D8;&#x91CF;&#x504F;&#x79FB;&#x7684;&#x786E;&#x5B9A;</h3>
<p>&#x56DE;&#x987E;&#x6211;&#x4EEC;&#x5728; lab5 &#x4E2D;&#x7684;&#x505A;&#x6CD5;&#xFF0C;&#x53D8;&#x91CF;&#x504F;&#x79FB;&#x5B8C;&#x5168;&#x7B49;&#x4E8E;&#x53D8;&#x91CF;&#x51FA;&#x73B0;&#x7684;&#x6B21;&#x5E8F;&#x3002;&#x8FD9;&#x5728;&#x5F53;&#x524D;&#x4ECD;&#x7136;&#x662F;&#x6B63;&#x786E;&#x7684;&#xFF0C;&#x4F46;&#x6BD4;&#x8F83;&#x6D6A;&#x8D39;&#x6808;&#x7A7A;&#x95F4;&#xFF0C;&#x56E0;&#x4E3A;&#x53D8;&#x91CF;&#x90FD;&#x5B58;&#x5728;&#x751F;&#x547D;&#x5468;&#x671F;&#xFF0C;&#x6709;&#x4E9B;&#x53D8;&#x91CF;&#x4E0D;&#x53EF;&#x80FD;&#x540C;&#x65F6;&#x5B58;&#x5728;&#xFF0C;&#x4E5F;&#x5C31;&#x53EF;&#x4EE5;&#x5171;&#x7528;&#x540C;&#x4E00;&#x5757;&#x5730;&#x5740;&#x7A7A;&#x95F4;&#xFF08;&#x8FD9;&#x4E2A;&#x95EE;&#x9898;&#x5728;&#x540E;&#x7EED;&#x7F16;&#x8BD1;&#x8BFE;&#x7A0B;&#x4E2D;&#x6709;&#x6DF1;&#x5165;&#x7684;&#x8BA8;&#x8BBA;&#xFF09;&#x3002;&#x6211;&#x4EEC;&#x5728;&#x8FD9;&#x91CC;&#x4E0D;&#x505A;&#x8FC7;&#x591A;&#x7684;&#x4F18;&#x5316;&#xFF0C;&#x4F46;&#x5728; minidecaf &#x4E2D;&#xFF0C;&#x4E00;&#x65E6;&#x79BB;&#x5F00;&#x4E00;&#x4E2A;&#x4F5C;&#x7528;&#x57DF;&#xFF0C;&#x8BE5;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#x58F0;&#x660E;&#x7684;&#x53D8;&#x91CF;&#x4F1A;&#x5168;&#x90E8;&#x5931;&#x6548;&#xFF0C;&#x8FD9;&#x5C31;&#x53EF;&#x4EE5;&#x5F15;&#x51FA;&#x4E00;&#x4E2A;&#x7B80;&#x5355;&#x800C;&#x6709;&#x6548;&#x7684;&#x4F18;&#x5316;&#xFF1A;&#x5229;&#x7528;&#x6808;&#x7684;&#x5F62;&#x5F0F;&#x5B58;&#x50A8;&#x53D8;&#x91CF;&#xFF0C;&#x8BB0;&#x5F55;&#x4F5C;&#x7528;&#x57DF;&#xFF08;&#x53EA;&#x7EAA;&#x4F5C;&#x7528;&#x57DF;&#x6DF1;&#x5EA6;&#x5373;&#x53EF;&#xFF09;&#xFF0C;&#x78B0;&#x5230;&#x53D8;&#x91CF;&#x58F0;&#x660E;&#x5219;&#x538B;&#x6808;&#x53D8;&#x91CF;&#xFF0C;&#x4E00;&#x65E6;&#x79BB;&#x5F00;&#x4E00;&#x4E2A;&#x4F5C;&#x7528;&#x57DF;&#x5219;&#x5F39;&#x51FA;&#x8BE5;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#x6240;&#x6709;&#x7684;&#x53D8;&#x91CF;&#xFF0C;&#x6B64;&#x65F6;&#xFF0C;&#x53D8;&#x91CF;&#x7684;&#x504F;&#x79FB;&#x53EF;&#x4EE5;&#x8BBE;&#x7F6E;&#x4E3A;&#x5B83;&#x5728;&#x6808;&#x4E2D;&#x7684;&#x4F4D;&#x7F6E;&#x7F16;&#x53F7;&#xFF08;&#x60F3;&#x60F3;&#x4E3A;&#x4EC0;&#x4E48;&#xFF1F;&#xFF09;&#x3002;</p>
<h3 id="&#x627E;&#x5230;&#x6B63;&#x786E;&#x53D8;&#x91CF;">&#x627E;&#x5230;&#x6B63;&#x786E;&#x53D8;&#x91CF;</h3>
<p>&#x5728; lab5 &#x4E2D;&#xFF0C;&#x56E0;&#x4E3A;&#x53EA;&#x6709;&#x4E00;&#x4E2A;&#x4F5C;&#x7528;&#x57DF;&#xFF0C;&#x4E0D;&#x8BBA;&#x8D4B;&#x503C;&#x8FD8;&#x662F;&#x5F15;&#x7528;&#xFF0C;&#x6211;&#x4EEC;&#x76F4;&#x63A5;&#x904D;&#x5386;&#x6240;&#x6709;&#x53D8;&#x91CF;&#x5C31;&#x53EF;&#x4EE5;&#x627E;&#x5230;&#x76EE;&#x6807;&#x53D8;&#x91CF;&#xFF0C;&#x4F46;&#x662F;&#x5F15;&#x5165;&#x4F5C;&#x7528;&#x57DF;&#x540E;&#xFF0C;&#x627E;&#x5230;&#x6B63;&#x786E;&#x53D8;&#x91CF;&#x5C31;&#x6CA1;&#x90A3;&#x4E48;&#x7B80;&#x5355;&#x4E86;&#x3002;</p>
<p>&#x6240;&#x8C13;&#x6B63;&#x786E;&#x7684;&#x53D8;&#x91CF;&#xFF0C;&#x6307;&#x7684;&#x662F;&#x4F4D;&#x4E8E;&#x540C;&#x4E00;&#x6216;&#x8005;&#x5404;&#x7EA7;&#x7236;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#xFF0C;&#x6700;&#x63A5;&#x8FD1;&#x53D8;&#x91CF;&#x5F15;&#x7528;&#x7684;&#x58F0;&#x660E;&#xFF0C;&#x4E5F;&#x5C31;&#x662F;&#x201C;&#x6700;&#x8FD1;&#x201D;&#x7684;&#x53D8;&#x91CF;&#x58F0;&#x660E;&#x3002;</p>
<p>&#x5728;&#x5355;&#x904D;&#x7684;&#x4EE3;&#x7801;&#x751F;&#x6210;&#x4E2D;&#xFF0C;&#x53EF;&#x4EE5;&#x7EF4;&#x62A4;&#x4E0A;&#x4E00;&#x5C0F;&#x8282;&#x6240;&#x63CF;&#x8FF0;&#x7684;&#x53D8;&#x91CF;&#x6808;&#xFF0C;&#x76F4;&#x63A5;&#x5728;&#x6808;&#x4E2D;&#x4ECE;&#x6808;&#x9876;&#x5411;&#x6808;&#x5E95;&#x641C;&#x7D22;&#x5373;&#x53EF;&#x3002;&#x8FD9;&#x6837;&#xFF0C;&#x603B;&#x662F;&#x4F1A;&#x627E;&#x5230;&#x6700;&#x8FD1;&#x7684;&#x53D8;&#x91CF;&#x58F0;&#x660E;&#xFF0C;&#x4E14;&#x5DF2;&#x7ECF;&#x201C;&#x6B7B;&#x4EA1;&#x201D;&#x7684;&#x53D8;&#x91CF;&#x4F1A;&#x88AB;&#x5F39;&#x51FA;&#xFF0C;&#x4E0D;&#x4F1A;&#x627E;&#x9519;&#x3002;</p>
<p>&#x5728;&#x591A;&#x904D;&#x7684;&#x4EE3;&#x7801;&#x751F;&#x6210;&#x4E2D;&#xFF0C;&#x6211;&#x4EEC;&#x53EF;&#x4EE5;&#x7EF4;&#x62A4;&#x4E00;&#x4E2A;&#x6811;&#x72B6;&#x7684;&#x7ED3;&#x6784;&#x6765;&#x7EF4;&#x62A4;&#x53D8;&#x91CF;&#x7684;&#x58F0;&#x660E;&#x4EE5;&#x53CA;&#x4F5C;&#x7528;&#x57DF;&#x4FE1;&#x606F;&#x3002;&#x63D0;&#x793A;&#xFF1A;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x5B58;&#x50A8;&#x58F0;&#x660E;&#x4F4D;&#x7F6E;&#xFF08;&#x884C;&#x53F7;&#x3001;&#x5217;&#x53F7;&#xFF0C;&#x8FD9;&#x8981;&#x6C42;&#x751F;&#x6210;&#x7684; AST &#x4E2D;&#x5B58;&#x50A8;&#x4E86;&#x8FD9;&#x4E9B;&#x4FE1;&#x606F;&#xFF09;&#x5224;&#x65AD;&#x540C;&#x4E00;&#x4E2A;&#x4F5C;&#x7528;&#x57DF;&#x4E2D;&#x7684;&#x67D0;&#x4E00;&#x4E2A;&#x58F0;&#x660E;&#x4F4D;&#x4E8E;&#x5F15;&#x7528;&#x524D;&#x8FD8;&#x662F;&#x5F15;&#x7528;&#x540E;&#xFF08;step7/declare_late.c&#xFF09;&#x3002;</p>

                                
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